chore(deps): bump redb from 3.1.3 to 4.0.0

Bumps [redb](https://github.com/cberner/redb) from 3.1.3 to 4.0.0.
- [Release notes](https://github.com/cberner/redb/releases)
- [Changelog](https://github.com/cberner/redb/blob/master/CHANGELOG.md)
- [Commits](cberner/redb@v3.1.3...v4.0.0)

---
updated-dependencies:
- dependency-name: redb
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -33,7 +33,7 @@ lru = "0.16.3"
 n0-future = "0.3"
 pkarr = { version = "5", features = ["dht"], default-features = false }
 rcgen = "0.14"
-redb = "3.1.0"
+redb = "4.0.0"
 regex = "1.10.3"
 rustls = { version = "0.23.33", default-features = false }
 serde = { version = "1", features = ["derive"] }